HP 416A - Page 13

PROPORTIONAL
PROPORTIONAL
r-- - - -- -- -- - - -- -- - -- -
I
INCIDENT IODB
I REFERENCE
9--()4--1
I 75K<
I TOTAL -=
I
I
I
I
I
I
AMPLIF IER
&CONSTANT
VOLTAGE
SOURCE
la
'
V1.V2A l KC FILTER
EXCESS COUPLER LOSS
1KC Fl LT ER
SAMPLE OF SQUARE LAW REFLECTED AMPLIFIER AMPLIFIER
CONSTANT
CURRENT
SOURCE
t-----L-----"' ..::- -:::..-+t-tor-.--; v 3 --<>4-+
REFLECTED DETECTOR REFLECTED
POWER VOLTAGE JPROBE , __ _
I """" 75K
I
I
V4
V 2 B
SET TO FULL SCALE
RANGE SWITCH
L __ _: ____ _
115/23ov POWER
50160
"' SUPPLY
VIB
Fig. 4. Model 416A Block Diagram
VOLTAGE
REGULATOR
Vl9, V20,V21